APA (7th ed.) Citation

Jenkins, O. P. (1924). Geological investigation of the coal fields of Skagit county, Washington. F.M. Lamborn, public printer.

Chicago Style (17th ed.) Citation

Jenkins, Olaf P. Geological Investigation of the Coal Fields of Skagit County, Washington. Olympia: F.M. Lamborn, public printer, 1924.

MLA (8th ed.) Citation

Jenkins, Olaf P. Geological Investigation of the Coal Fields of Skagit County, Washington. F.M. Lamborn, public printer, 1924.

Warning: These citations may not always be 100% accurate.